acetal 

  1. 名詞
乙縮醛, 乙縮醛二乙醇

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Acetal .                            
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  2. 
                                Acetal is a highly durable class of plastics.                            
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                                Delrin is DuPont's trademarked name for a type of acetal .                            
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                                A polymer packing ring and a guide ring is attached with the Acetal guide bush.                            
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                                Some polymers are also sensitive to attack, including acetal resin and polybutene.                            
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